How To Fix PG634 - No subtypes can be maintained for infotype &1

SAP Error Message - Details

• Message type: E = Error

• Message class: PG - Error Messages for Master Data Programs

• Message number: 634

• Message text: No subtypes can be maintained for infotype &1

What causes this issue?

You have entered subtype &V2& for infotype &V1&. However, no entries
are allowed to be made for individual subtypes of this infotype because
the <LS>Country-dependent subtype</> indicator is not flagged in the
<LS>Infotypes - Dialog/Database Assignment</> table T777D. Only one
entry (input = "*") can be made for all subtypes.

How to fix this error?

Add the missing entry to table T777D <LS>Infotypes - Dialog/Database
Assignment</> or contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PG634 - No subtypes can be maintained for infotype &1 ?

  The SAP error message PG634 "No subtypes can be maintained for infotype &1" typically occurs when you are trying to maintain subtypes for a specific infotype in the SAP system, but the infotype does not support subtypes. This can happen in various contexts, such as when working with personnel administration or organizational management.
  Cause:
  
  Infotype Limitation: The infotype you are trying to maintain does not have any subtypes defined in the system. Some infotypes are designed to be used without subtypes.
  Configuration Issue: The infotype may not be configured to allow subtypes in the system settings.
  Incorrect Infotype: You may be trying to access or maintain an infotype that is not intended to have subtypes.
  
  Solution:
  
  Check Infotype Definition: Verify the infotype you are working with. You can do this by using transaction code SE11 (Data Dictionary) to check the infotype definition and see if it supports subtypes.
  Review Configuration: If you believe the infotype should support subtypes, check the configuration settings in the relevant customizing transaction (e.g., SPRO) to ensure that subtypes are enabled for that infotype.
  Use Correct Infotype: If the infotype does not support subtypes, ensure that you are using the correct infotype for your requirements. You may need to use a different infotype that does support subtypes.
  Consult Documentation: Refer to SAP documentation or help resources to understand the specific infotype and its capabilities.
  
  Related Information:
  
  Infotypes: Infotypes are data structures in SAP that store employee-related information. Each infotype can have various fields and, in some cases, subtypes that allow for more specific categorization of data.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as PA30 (Maintain HR Master Data) and PA20 (Display HR Master Data) to manage infotypes effectively.
  SAP Notes: Check SAP Notes for any known issues or updates related to the specific infotype you are working with. This can provide additional insights or solutions.
  
  If the issue persists after checking these aspects, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the relevant area of SAP.